CVE-2026-2142

D-Link DIR-823X set_qos sub_420688 os command injection

Assigner: VulDB
Reserved: 06.02.2026 Published: 08.02.2026 Updated: 08.02.2026

A weakness has been identified in D-Link DIR-823X 250416. This vulnerability affects the function sub_420688 of the file /goform/set_qos. Executing a manipulation can lead to os command injection. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
CVSS Score: 8.6

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	High
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
CVSS Score: 7.2

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	High	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

CVSS Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
CVSS Score: 7.2

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	High	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.0

CVSS Vector: AV:N/AC:L/Au:M/C:C/I:C/A:C/E:POC/RL:ND/RC:UR
CVSS Score: 8.3

Access Vector	Network	Confidentiality Impact	Complete
Access Complexity	Low	Integrity Impact	Complete
Authentication	Multiple	Availability Impact	Complete

CVSS 2.0

Product Status

Vendor	D-Link
Product	DIR-823X
Versions	Version 250416 is affected

Vendor

D-Link

Product

DIR-823X

Versions

Version 250416 is affected

Credits

942384053 (VulDB User) reporter

References

Problem Types